package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set=new HashSet<Integer>();

    public void initialize(ListValue constraintAnnotation) {
        //指定的值
        int[] vals=constraintAnnotation.vals();
        for (int i:vals){
            set.add(i);
        }

    }

    /**
     *
     * @param integer  需要校验的值
     * @param constraintValidatorContext
     * @return
     */
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(integer);
    }
}
